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BOSTON MARATHON 2025

Lucy O'Dell

Bib: 17678•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 48%
Gender (Female)
#0 / 12228
Top 33%
Masters (Masters Women)
#0 / 6759
Top 19%
Division (F45-49)
#0 / 1813
Top 21%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:27/mi
23:09
↑ 97↓ 3451.5%
10K· 6.21 mi
7:35/mi
46:42
↑ 79↓ 1380.4%
15K· 9.32 mi
7:54/mi
1:11:15
↑ 67↓ 78
20K· 12.43 mi
8:03/mi
1:36:16
↑ 106↓ 860.1%
Half· 13.11 mi
7:50/mi
1:41:37
↑ 19↓ 370.5%
25K· 15.53 mi
8:03/mi
2:01:07
↑ 66↓ 880.2%
30K· 18.64 mi
8:21/mi
2:27:05
↑ 181↓ 1480.2%
20M
8:29/mi
2:38:37
↑ 64↓ 500.2%
21M
9:16/mi
2:47:53
↑ 106↓ 241.6%
35K· 21.75 mi
8:19/mi
2:54:06
↑ 17↓ 861.7%
23M
8:26/mi
3:04:40
↑ 23↓ 630.6%
24M
8:06/mi
3:12:46
↓ 821.3%
40K· 24.85 mi
8:15/mi
3:19:49
↓ 200.3%
25.2M
9:11/mi
3:22:59
↑ 13↓ 160.2%
Finish· 26.22 mi
8:12/mi
3:31:20
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:37
Pace7:45 /mi
2nd Half
Distance13.11 mi
Time1:49:43
Pace8:22 /mi
📊Positive Split: 8.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:2223:097:2723:09
7:27
-
10K
6.21 mi11:36:5546:427:3123:33
7:35
+0:08
15K
9.32 mi12:01:281:11:157:3924:33
7:54
+0:19
20K
12.43 mi12:26:291:36:167:4525:01
8:03
+0:09
Half
13.11 mi12:31:501:41:377:455:21
7:50
-0:13
25K
15.53 mi12:51:202:01:077:4819:30
8:03
+0:13
30K
18.64 mi13:17:182:27:057:5325:58
8:21
+0:18
20M
20.00 mi13:28:502:38:377:5611:32
8:29
+0:08
21M
21.00 mi13:38:062:47:538:009:16
9:16
+0:47
35K
21.75 mi13:44:192:54:068:006:13
8:19
-0:57
23M
23.00 mi13:54:533:04:408:0210:34
8:26
+0:07
24M
24.00 mi14:02:593:12:468:028:06
8:06
-0:20
40K
24.85 mi14:10:023:19:498:027:03
8:15
+0:09
25.2M
25.20 mi14:13:123:22:598:033:10
9:11
+0:56
Finish
26.22 mi14:21:333:31:208:048:21
8:12
-0:59

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

7:27 /mi

Average Pace

8:04 /mi

Slowest Pace

9:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:16:36

36% of race

Time at Steady Pace

1:50:46

52% of race

Time at Slower Pace

23:58

11% of race

Average Pace: 8:04 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:13:2223:097:2723:09
7:27
#11819
10K
6.21 mi11:36:5546:427:3123:33
7:35
#12279
15K
9.32 mi12:01:281:11:157:3924:33
7:54
#13273
20K
12.43 mi12:26:291:36:167:4525:01
8:03
#13771
Half
13.11 mi12:31:501:41:377:455:21
7:50
#13806
25K
15.53 mi12:51:202:01:077:4819:30
8:03
#13864
30K
18.64 mi13:17:182:27:057:5325:58
8:21
#13800
20M
20.00 mi13:28:502:38:377:5611:32
8:29
#13762
21M
21.00 mi13:38:062:47:538:009:16
9:16
#13813
35K
21.75 mi13:44:192:54:068:006:13
8:19
#13819
23M
23.00 mi13:54:533:04:408:0210:34
8:26
#13756
24M
24.00 mi14:02:593:12:468:028:06
8:06
#13654
40K
24.85 mi14:10:023:19:498:027:03
8:15
#13555
25.2M
25.20 mi14:13:123:22:598:033:10
9:11
#13538
Finish
26.22 mi14:21:333:31:208:048:21
8:12
#13580
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi118192700270015258(Top 54%)4727(Top 39%)4727(Top 261%)
10K6.21 mi3.10 mi12279-4602952-2522952-25212861(Top 45%)3292(Top 27%)3292(Top 182%)
15K9.32 mi3.11 mi13273-9943559-6073559-60715258(Top 54%)4727(Top 39%)4727(Top 261%)
20K12.43 mi3.11 mi13771-4983880-3213880-32115298(Top 54%)4796(Top 39%)4796(Top 265%)
Half13.11 mi0.68 mi13806-353910-303910-3014647(Top 52%)4414(Top 36%)4414(Top 243%)
25K15.53 mi2.42 mi13864-583967-573967-5714233(Top 50%)4326(Top 35%)4326(Top 239%)
30K18.64 mi3.11 mi13800+643993-263993-2613885(Top 49%)4301(Top 35%)4301(Top 237%)
20M20.00 mi1.36 mi13762+383999-63999-613708(Top 48%)4357(Top 36%)4357(Top 240%)
21M21.00 mi1.00 mi13813-514068-694068-6914972(Top 53%)5155(Top 42%)5155(Top 284%)
35K21.75 mi0.75 mi13819-64085-174085-1714318(Top 50%)4849(Top 40%)4849(Top 267%)
23M23.00 mi1.25 mi13756+634089-44089-412942(Top 46%)4236(Top 35%)4236(Top 234%)
24M24.00 mi1.00 mi13654+1024065+244065+2411934(Top 42%)3773(Top 31%)3773(Top 208%)
40K24.85 mi0.85 mi13555+994032+334032+3311869(Top 42%)3856(Top 32%)3856(Top 213%)
25.2M25.20 mi0.35 mi13538+174037-54037-512867(Top 45%)4425(Top 36%)4425(Top 244%)
Finish26.22 mi1.02 mi13580-424085-484085-4814240(Top 50%)5064(Top 41%)5064(Top 279%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21story building
+97ft-345ft

Overall

15258

Females

4727

F45-49

4727

5K→10K

3.1 - 6.2 mi

Top 45%
×5story building
+79ft-138ft

Overall

12861

Females

3292

F45-49

3292

10K→15K

6.2 - 9.3 mi

Top 54%
×3story building
+67ft-78ft

Overall

15258

Females

4727

F45-49

4727

15K→20K

9.3 - 12.4 mi

Top 54%
×5story building
+106ft-86ft

Overall

15298

Females

4796

F45-49

4796

20K→Half

12.4 - 13.1 mi

Top 52%
×2story building
+19ft-37ft

Overall

14647

Females

4414

F45-49

4414

Half→25K

13.1 - 15.5 mi

Top 50%
×4story building
+66ft-88ft

Overall

14233

Females

4326

F45-49

4326

25K→30K

15.5 - 18.6 mi

Top 49%
×9story building
+181ft-148ft

Overall

13885

Females

4301

F45-49

4301

30K→20M

18.6 - 20.0 mi

Top 48%
×5story building
+64ft-50ft

Overall

13708

Females

4357

F45-49

4357

20M→21M

20.0 - 21.0 mi

Top 53%
×8story building
+106ft-24ft

Overall

14972

Females

5155

F45-49

5155

21M→35K

21.0 - 21.8 mi

Top 50%
×7story building
+17ft-86ft

Overall

14318

Females

4849

F45-49

4849

35K→23M

21.8 - 23.0 mi

Top 46%
×5story building
+23ft-63ft

Overall

12942

Females

4236

F45-49

4236

23M→24M

23.0 - 24.0 mi

Top 42%
×6story building
+12ft-82ft

Overall

11934

Females

3773

F45-49

3773

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11869

Females

3856

F45-49

3856

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

12867

Females

4425

F45-49

4425

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2story building
+22ft-21ft

Overall

14240

Females

5064

F45-49

5064

Passing Analysis

Category:
Athletes Passed
1469
Passed By
3230
Net Change
-1761
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11819
5K → 10K105565-460#11819#12279
10K → 15K311025-994#12279#13273
15K → 20K94592-498#13273#13771
20K → Half1853-35#13771#13806
Half → 25K166224-58#13806#13864
25K → 30K265201+64#13864#13800
30K → 20M13294+38#13800#13762
20M → 21M89140-51#13762#13813
21M → 35K5359-6#13813#13819
35K → 23M13774+63#13819#13756
23M → 24M14139+102#13756#13654
24M → 40K13031+99#13654#13555
40K → 25.2M5134+17#13555#13538
25.2M → Finish5799-42#13538#13580
TOTALS14693230-1761
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing